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• Revision 69399 : On refait les critères dans l’inclusion des graphiques, mais on n’affiche ...

  25 janvier 2013, par rastapopoulos@… — Log

  On refait les critères dans l’inclusion des graphiques, mais on n’affiche cette inclusion que s’il n’y a pas un trop grand nombre de points ! (là 2000 en dur, complètement au hasard).
  En vrai il faudrait surtout que les graphiques ne s’affichent qu’avec une pagination mois par mois, un truc dans ce genre !

• GStreamer with MPEG-TS Video4Linux ATSC/DVB Recording

  21 juin 2013, par Dustin Oprea

  I'm having an impossible time setting up a filtergraph to read from a recording that I made from my DVB video4linux device. Any help would be vastly appreciated.

  How I made the recording :

  To tune the channel :

  azap -c ~/channels.conf "Florida"

  To record the channel :

  cat /dev/dvb/adapter0/dvr0 > /tmp/test

  This is the way that recordings must be made (I can not use any GST DVB plugins to do this for me).

  I used tstools to identify that the recording is a TS stream :

  tstools/bin$ ./stream_type ~/recordings/20130129-202049
  
  Reading from /home/dustin/recordings/20130129-202049
  
  It appears to be Transport Stream

  ...but that there are no PAT/PMT frames :

  tstools/bin$ ./tsinfo ~/recordings/20130129-202049
  
  Reading from /home/dustin/recordings/20130129-202049
  
  Scanning 10000 TS packets
  
  
  
  Found 0 PAT packets and 0 PMT packets in 10000 TS packets

  I was able to produce a single ES (elementary stream) stream, by running ts2es :

  tstools/bin$ ./ts2es -pid 97 ~/recordings/20130129-202049 ~/recordings/20130129-202049.es
  
  Reading from /home/dustin/recordings/20130129-202049
  
  Writing to   /home/dustin/recordings/20130129-202049.es
  
  Extracting packets for PID 0061 (97)
  
  !!! 4 bytes ignored at end of file - not enough to make a TS packet
  
  Extracted 219258 of 248113 TS packets

  I am able to play the ES stream (even though the video is frozen on the first frame) :

  gst-launch-0.10 filesrc location=~/recordings/20130129-202049.es ! decodebin2 ! autovideosink
  
  gst-launch-0.10 filesrc location=~/recordings/20130129-202049.es ! decodebin2 ! xvimagesink
  
  gst-launch-0.10 playbin2 uri=file:///home/dustin/recordings/20130129-202049.es

  No matter what I do, though, I can't get the original TS file to open. However, it opens in Mplayer/FFMPEG, perfectly (but not VLC). This is the output of FFMPEG :

  ffmpeg -i 20130129-202049
  
  
  
  ffmpeg version 0.8.5-4:0.8.5-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers
  
    built on Jan 24 2013 18:03:14 with gcc 4.6.3
  
  *** THIS PROGRAM IS DEPRECATED ***
  
  This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
  
  [mpeg2video @ 0x9be7be0] mpeg_decode_postinit() failure
  
      Last message repeated 4 times
  
  [mpegts @ 0x9be3aa0] max_analyze_duration reached
  
  [mpegts @ 0x9be3aa0] PES packet size mismatch
  
  Input #0, mpegts, from '20130129-202049':
  
    Duration: 00:03:39.99, start: 9204.168844, bitrate: 1696 kb/s
  
      Stream #0.0[0x61]: Video: mpeg2video (Main), yuv420p, 528x480 [PAR 40:33 DAR 4:3], 15000 kb/s, 30.57 fps, 29.97 tbr, 90k tbn, 59.94 tbc
  
      Stream #0.1[0x64]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
  
  At least one output file must be specified

  This tells us that the video stream has PID 0x61 (97).

  I have been trying for a few days, so the following are only examples of a couple of attempts. I'll provide the playbin2 example first, since I know that thousands of people will respond, insisting that I just use that. It doesn't work.

  gst-launch-0.10 playbin2 uri=file:///home/dustin/recordings/20130129-202049
  
  
  
  Setting pipeline to PAUSED ...
  
  Pipeline is PREROLLING ...
  
  ERROR: from element /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstMpegTSDemux:mpegtsdemux0: Could not determine type of stream.
  
  Additional debug info:
  
  gstmpegtsdemux.c(2931): gst_mpegts_demux_sink_event (): /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstMpegTSDemux:mpegtsdemux0:
  
  No valid streams found at EOS
  
  ERROR: pipeline doesn't want to preroll.
  
  Setting pipeline to NULL ...
  
  Freeing pipeline ...

  It fails [probably] because no PID has been specified with which to find the video (the "EOS" error, I think).

  Naturally, I tried the following to start by demuxing the TS format. I believe it's the "es-pids" property that receives the PID in the absence of PMT information (which tstools said there weren't any, above), but I tried "program-number", too, just in case. gst-inspect indicates that one is hex and the other is decimal :

  gst-launch-0.10 -v filesrc location=20130129-202049 ! mpegtsdemux es-pids=0x61 ! fakesink
  
  gst-launch-0.10 -v filesrc location=20130129-202049 ! mpegtsdemux program-number=97 ! fakesink

  Output :

  gst-launch-0.10 filesrc location=20130129-202049 ! mpegtsdemux es-pids=0x61 ! fakesink
  
  Setting pipeline to PAUSED ...
  
  Pipeline is PREROLLING ...
  
  ERROR: from element /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0: Could not determine type of stream.
  
  Additional debug info:
  
  gstmpegtsdemux.c(2931): gst_mpegts_demux_sink_event (): /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0:
  
  No valid streams found at EOS
  
  ERROR: pipeline doesn't want to preroll.
  
  Setting pipeline to NULL ...
  
  Freeing pipeline ...
  
  dustin@dustinmicro:~/recordings$ gst-launch-0.10 -v filesrc location=20130129-202049 ! mpegtsdemux es-pids=0x61 ! fakesink
  
  Setting pipeline to PAUSED ...
  
  Pipeline is PREROLLING ...
  
  ERROR: from element /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0: Could not determine type of stream.
  
  Additional debug info:
  
  gstmpegtsdemux.c(2931): gst_mpegts_demux_sink_event (): /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0:
  
  No valid streams found at EOS
  
  ERROR: pipeline doesn't want to preroll.
  
  Setting pipeline to NULL ...
  
  Freeing pipeline ...
  
  dustin@dustinmicro:~/recordings$ gst-launch-0.10 -v filesrc location=20130129-202049 ! mpegtsdemux es-pids=0x61 ! fakesink
  
  Setting pipeline to PAUSED ...
  
  Pipeline is PREROLLING ...
  
  ERROR: from element /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0: Could not determine type of stream.
  
  Additional debug info:
  
  gstmpegtsdemux.c(2931): gst_mpegts_demux_sink_event (): /GstPipeline:pipeline0/GstMpegTSDemux:mpegtsdemux0:
  
  No valid streams found at EOS
  
  ERROR: pipeline doesn't want to preroll.
  
  Setting pipeline to NULL ...
  
  Freeing pipeline ...

  However, when I try mpegpsdemux (for program streams (PS), as opposed to transport streams (TS)), I get further :

  gst-launch-0.10 filesrc location=20130129-202049 ! mpegpsdemux ! fakesink
  
  
  
  Setting pipeline to PAUSED ...
  
  Pipeline is PREROLLING ...
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `position != -1' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_mini_object_ref: assertion `mini_object != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
  
  Pipeline is PREROLLED ...
  
  Setting pipeline to PLAYING ...
  
  New clock: GstSystemClock
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `position != -1' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_mini_object_ref: assertion `mini_object != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `position != -1' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_mini_object_ref: assertion `mini_object != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_event_new_new_segment_full: assertion `position != -1' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_mini_object_ref: assertion `mini_object != NULL' failed
  
  
  
  (gst-launch-0.10:14805): GStreamer-CRITICAL **: gst_pad_push_event: assertion `event != NULL' failed
  
  
  
  
  
  ...
  
  
  
  
  
  Got EOS from element "pipeline0".
  
  Execution ended after 1654760008 ns.
  
  Setting pipeline to PAUSED ...
  
  Setting pipeline to READY ...
  
  Setting pipeline to NULL ...
  
  Freeing pipeline ...

  I'll still get the same problem whenever I use the mpegtsdemux, even if it follows mpegpsdemux, above.

  I don't understand this, since I haven't even picked a PID yet.

  What am I doing wrong ?

  Dustin

• No audio encoded with ffmpeg using webm/libvorbis

  15 mars 2013, par Craig Lillard

  Having issues getting audio to encode to webm. Tried many different methods and it just ain't happenin. The commands are printed below before each pass.

  I have tried moving the audio commands around, trying different bitrates, different audio commands and have tried it on a couple of different files as well that both have audio.

  Encoding these files to MP4 using x264 causes no problems and works just fine and the audio plays, so it appears to be an issue just with webm. As you can see below, it is a 2-pass encode.

  Thanks for any help you can provide !

  Craig

  Webm LG PASS 1...........................
  
  
  
  
  
  
  
  
  
      webm_pass1: /usr/bin/ffmpeg -i /home/thedirectory/video613268.mov  -codec:v libvpx -quality good -vf 'scale=640:360 [scaled];movie=/home/thedirectory/watermarks/w640X360.png [logo];[scaled][logo] overlay' -cpu-used 0 -b:v 500k -aspect 16:9 -qmin 10 -qmax 42 -maxrate:v 500k -bufsize:v 1000k -r:v 25/1 -force_fps -threads 0 -an -acodec libvorbis -ac 2 -ab 96k -ar 44100 -pass 1 -f webm -y /dev/null
  
  
  
  
  
  
  
      ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
  
        built on Mar 11 2013 14:48:26 with gcc 4.6.2 20111027 (Red Hat 4.6.2-2)
  
        configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab --enable-libvorbis --enable-libvpx
  
        libavutil      51. 35.100 / 51. 35.100
  
        libavcodec     53. 61.100 / 53. 61.100
  
        libavformat    53. 32.100 / 53. 32.100
  
        libavdevice    53.  4.100 / 53.  4.100
  
        libavfilter     2. 61.100 /  2. 61.100
  
        libswscale      2.  1.100 /  2.  1.100
  
        libswresample   0.  6.100 /  0.  6.100
  
        libpostproc    52.  0.100 / 52.  0.100
  
      Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/thedirectory/video613268.mov':
  
        Metadata:
  
          major_brand     : qt  
  
          minor_version   : 537199360
  
          compatible_brands: qt  
  
          creation_time   : 2013-02-23 20:04:32
  
        Duration: 00:00:21.02, start: 0.000000, bitrate: 114326 kb/s
  
          Stream #0:0(eng): Video: mjpeg (jpeg / 0x6765706A), yuvj422p, 1920x1080 [SAR 72:72 DAR 16:9], 112786 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 2997 tbc
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
          Stream #0:1(eng): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, 2 channels, s16, 1536 kb/s
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
      Incompatible pixel format 'yuvj422p' for codec 'libvpx', auto-selecting format 'yuv420p'
  
      [buffer @ 0x1f675a0] w:1920 h:1080 pixfmt:yuvj422p tb:1/1000000 sar:1/1 sws_param:
  
      [movie @ 0x1f799c0] seek_point:0 format_name:(null) file_name:/home/thedirectory/watermarks/w640X360.png stream_index:0
  
      [overlay @ 0x1f7c2c0] auto-inserting filter 'auto-inserted scale 0' between the filter 'Parsed_movie_1' and the filter 'Parsed_overlay_2'
  
      [scale @ 0x1f78d40] w:1920 h:1080 fmt:yuvj422p -> w:640 h:360 fmt:yuv420p flags:0x4
  
      [scale @ 0x1f7cde0] w:640 h:360 fmt:rgba -> w:640 h:360 fmt:yuva420p flags:0x4
  
      [overlay @ 0x1f7c2c0] main w:640 h:360 fmt:yuv420p overlay x:0 y:0 w:640 h:360 fmt:yuva420p
  
      [overlay @ 0x1f7c2c0] main_tb:1/1000000 overlay_tb:1/25 -> tb:1/1000000 exact:1
  
      [libvpx @ 0x1f77ce0] v1.0.0
  
      Output #0, webm, to '/dev/null':
  
        Metadata:
  
          major_brand     : qt  
  
          minor_version   : 537199360
  
          compatible_brands: qt  
  
          creation_time   : 2013-02-23 20:04:32
  
          encoder         : Lavf53.32.100
  
          Stream #0:0(eng): Video: vp8, yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=10-42, pass 1, 500 kb/s, 1k tbn, 25 tbc
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
      Stream mapping:
  
        Stream #0:0 -> #0:0 (mjpeg -> libvpx)
  
      Press [q] to stop, [?] for help
  
      frame=  527 fps= 21 q=0.0 Lsize=       0kB time=00:00:00.00 bitrate=   0.0kbits/s dup=0 drop=103    
  
      video:0kB audio:0kB global headers:0kB muxing overhead -nan%
  
      Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
  
      Webm LG PASS 2.......................
  
  
  
  
  
  
  
  
  
      webm_pass2: /usr/bin/ffmpeg -i /home/thedirectory/video613268.mov -codec:v libvpx -quality good -vf 'scale=640:360 [scaled];movie=/home/thedirectory/watermarks/w640X360.png [logo];[scaled][logo] overlay' -cpu-used 0 -b:v 500k  -aspect 16:9  -qmin 10 -qmax 42 -maxrate:v 500k -bufsize:v 1000k -r:v 24/1 -force_fps -threads 0 -an -acodec libvorbis -ac 2 -ab 96k -ar 44100 -pass 2 -f webm -y /media/amazons3/webmlg/video613268.mov.webm
  
  
  
  
  
  
  
      ffmpeg version 0.10.2 Copyright (c) 2000-2012 the FFmpeg developers
  
        built on Mar 11 2013 14:48:26 with gcc 4.6.2 20111027 (Red Hat 4.6.2-2)
  
        configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab --enable-libvorbis --enable-libvpx
  
        libavutil      51. 35.100 / 51. 35.100
  
        libavcodec     53. 61.100 / 53. 61.100
  
        libavformat    53. 32.100 / 53. 32.100
  
        libavdevice    53.  4.100 / 53.  4.100
  
        libavfilter     2. 61.100 /  2. 61.100
  
        libswscale      2.  1.100 /  2.  1.100
  
        libswresample   0.  6.100 /  0.  6.100
  
        libpostproc    52.  0.100 / 52.  0.100
  
      Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/thedirectory/video613268.mov':
  
        Metadata:
  
          major_brand     : qt  
  
          minor_version   : 537199360
  
          compatible_brands: qt  
  
          creation_time   : 2013-02-23 20:04:32
  
        Duration: 00:00:21.02, start: 0.000000, bitrate: 114326 kb/s
  
          Stream #0:0(eng): Video: mjpeg (jpeg / 0x6765706A), yuvj422p, 1920x1080 [SAR 72:72 DAR 16:9], 112786 kb/s, 29.97 fps, 29.97 tbr, 2997 tbn, 2997 tbc
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
          Stream #0:1(eng): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, 2 channels, s16, 1536 kb/s
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
      Incompatible pixel format 'yuvj422p' for codec 'libvpx', auto-selecting format 'yuv420p'
  
      [buffer @ 0x1f2a5a0] w:1920 h:1080 pixfmt:yuvj422p tb:1/1000000 sar:1/1 sws_param:
  
      [movie @ 0x1f3bec0] seek_point:0 format_name:(null) file_name:/home/thedirectory/watermarks/w640X360.png stream_index:0
  
      [overlay @ 0x1f3f2c0] auto-inserting filter 'auto-inserted scale 0' between the filter 'Parsed_movie_1' and the filter 'Parsed_overlay_2'
  
      [scale @ 0x1f3c8a0] w:1920 h:1080 fmt:yuvj422p -> w:640 h:360 fmt:yuv420p flags:0x4
  
      [scale @ 0x1f3fde0] w:640 h:360 fmt:rgba -> w:640 h:360 fmt:yuva420p flags:0x4
  
      [overlay @ 0x1f3f2c0] main w:640 h:360 fmt:yuv420p overlay x:0 y:0 w:640 h:360 fmt:yuva420p
  
      [overlay @ 0x1f3f2c0] main_tb:1/1000000 overlay_tb:1/25 -> tb:1/1000000 exact:1
  
      [libvpx @ 0x1f3ace0] v1.0.0
  
      Output #0, webm, to '/media/amazons3/webmlg/video613268.mov.webm':
  
        Metadata:
  
          major_brand     : qt  
  
          minor_version   : 537199360
  
          compatible_brands: qt  
  
          creation_time   : 2013-02-23 20:04:32
  
          encoder         : Lavf53.32.100
  
          Stream #0:0(eng): Video: vp8, yuv420p, 640x360 [SAR 1:1 DAR 16:9], q=10-42, pass 2, 500 kb/s, 1k tbn, 24 tbc
  
          Metadata:
  
            creation_time   : 2013-02-23 20:04:32
  
            handler_name    : ?Gestionnaire d?alias Apple
  
      Stream mapping:
  
        Stream #0:0 -> #0:0 (mjpeg -> libvpx)
  
      Press [q] to stop, [?] for help
  
      frame=  506 fps=  7 q=0.0 Lsize=    1610kB time=00:00:21.08 bitrate= 625.8kbits/s dup=0 drop=124    
  
      video:1389kB audio:0kB global headers:0kB muxing overhead 15.952140%